Bad guy: John Hartigan, Mr. "Law and Order", Mr. "By-The-Book", Mr.
High and Mighty.
I got to give you credit. Being such a straight arrow
for so damn many years without it catching up with you. It's catching up with you now, friend of mine. It's catching up with you but
good.

Is but here an adverb, meaning 'only'? And is good here also an adverb, meaning 'well'?